All names: PLX 969, Gaia EDR3 172817599818083712, HIC 20591, WDS J04246+3358A, HR 1379, WD 0421+338, PLX 969.00, ** BAS 4AaAb, UBV M 10116, SKY# 6798, ADS 3188 A, TD1 3118, HD 27786, CCDM J04246+3358A, TYC 2380-2429-1, WD 0421+336, HD 27786A, Gaia DR2 172817599818083712, IRAS 04213+3350, UCAC4 620-015740, TIC 429102184, SAO 57216, WDS J04246+3358AaAb, GCRV 2553, GEN# +1.00027786, HIP 20591, AG+33 421, GC 5335, uvby98 100027786, PPM 69394, Gaia DR3 172817599818083712, ** STT 81A, 2MASS J04243746+3357349, WEB 3945, 1RXS J042437.7+335743, BD+33 854A, IDS 04181+3344 A, BD+33 854, * 56 Per, GSC 02380-02429, * 56 Per A
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 04 24 37.52 (0.1) | 04 24 37.52 (0.08) | 04 24 37.46 (0.1) | 04 24 37.68 | ||
| Declination | 33 57 33.84 (0.06) | 33 57 33.89 (0.05) | 33 57 35.29 (0.06) | 33 57 39.60 | ||
| Spectral type | F4IV-V+DA | DA3.5 | ||||
| Effective temperature | [K] | |||||
| log(g) | [cgs] | |||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 23.79 (0.1) | 23.51 (0.09) | 23.79 (0.1) | ||
| Distance | [pc] | 42.03 (0.2) | 42.54 (0.2) | 42.03 (0.2) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 46.03404889 (0.2) | 43.818 (0.2) | 46.034 (0.1) | ||
| Proper motion (declination) | [mas/yr] | -90.46650145 (0.1) | -90.502 (0.1) | -90.467 (0.1) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | 6.18 (0.01) | |||||
| V magnitude | 5.79 (0.01) | |||||
| R magnitude | 6.90 (0.4) | |||||
| I magnitude | ||||||
| J magnitude | 4.89 (0.04) | |||||
| H magnitude | 4.73 (0.02) | |||||
| K magnitude | 4.71 (0.02) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 5.68 (0.001) | 5.66 | 5.68 (0.003) | |||
| BP magnitude | 5.89 (0.001) | 5.90 | ||||
| RP magnitude | 5.32 (0.002) | 5.34 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.001 | |||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.